#include "hash.h"
#include <boost/functional/hash.hpp>

namespace std {
std::size_t hash<Vector3f>::operator()(const Vector3f& s) const {
  return Eigen::hash_value(s);
}
std::size_t hash<Vector3d>::operator()(const Vector3d& s) const {
  return Eigen::hash_value(s);
}
std::size_t hash<Vector3l>::operator()(const Vector3l& s) const {
  return Eigen::hash_value(s);
}
}

namespace Eigen {

size_t hash_value(Vector3f const& v) {
  size_t seed = 0;
  for (int i = 0; i < 3; ++i) boost::hash_combine(seed, v[i]);
  return seed;
}

size_t hash_value(Vector3d const& v) {
  size_t seed = 0;
  for (int i = 0; i < 3; ++i) boost::hash_combine(seed, v[i]);
  return seed;
}

size_t hash_value(Eigen::Matrix<int64_t, 3, 1> const& v) {
  size_t seed = 0;
  for (int i = 0; i < 3; ++i) boost::hash_combine(seed, v[i]);
  return seed;
}
}
